论文标题
脉冲波导光学机械中的量子相干控制
Quantum coherent control in pulsed waveguide optomechanics
论文作者
论文摘要
在波导系统中对旅行声激发的一致控制是操纵和传递经典和量子信息的有趣方法。到目前为止，这些相互作用通常基于光力的谐振器或布里渊散射，已经在稳态状态中使用了连续波。但是，波导实验通常基于需要在动态框架中进行处理的光泵脉冲。在本文中，我们使用光学脉冲在动态脉冲中提出了一种有效的哈密顿形式主义，该光脉冲将波导光学力学和空腔光学力学连接起来，可用于包括量子噪声（量子噪声）的经典和量子状态。基于我们的形式主义，提供了在不耗尽的假设下的耦合模式方程的封闭解决方案，我们发现通过使用脉冲在当前的Brillouin波导中可以访问强耦合方案。我们进一步研究了波导光学机械中的几项可能的实验，包括基于布里鲁因的相干转移，布里鲁因冷却和光声纠缠。
Coherent control of traveling acoustic excitations in a waveguide system is an interesting way to manipulate and transduce classical and quantum information. So far, these interactions, often based on optomechanical resonators or Brillouin scattering, have been studied in the steady-state regime using continuous waves. However, waveguide experiments are often based on optical pump pulses which require treatment in a dynamic framework. In this paper, we present an effective Hamiltonian formalism in the dynamic regime using optical pulses that links waveguide optomechanics and cavity optomechanics, which can be used in the classical and quantum regime including quantum noise. Based on our formalism, a closed solution for coupled-mode equation under the undepleted assumption is provided and we found that the strong coupling regime is already accessible in current Brillouin waveguides by using pulses. We further investigate several possible experiments within waveguide optomechanics, including Brillouin-based coherent transfer, Brillouin cooling, and optoacoustic entanglement.
